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    <p>请把鼠标移到链接上并观察样式的变化：</p>
    <p><b><a class="one" href="./57.html" target="_blank">此链接改变颜色</a></b></p>
    <p><b><a class="two" href="./66.html" target="_blank">此链接改变字体大小</a></b></p>
    <p><b><a class="three" href="./74.html" target="_blank">此链接改变背景色</a></b></p>
    <p><b><a class="four" href="./82.html" target="_blank">此链接改变字体族</a></b></p>
    <p><b><a class="five" href="./94.html" target="_blank">此链接改变文本装饰</a></b></p>
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